[truetype] Make TT_LOADER_SET_PP support subpixel hinting [3/3].
* src/truetype/ttgload.c (TT_LOADER_SET_PP): Replace macro with... (tt_loader_set_pp): ... this new function. Update all callers.
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@ -1,3 +1,11 @@
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2016-05-17 Nikolaus Waxweiler <madigens@gmail.com>
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[truetype] Make TT_LOADER_SET_PP support subpixel hinting [3/3].
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* src/truetype/ttgload.c (TT_LOADER_SET_PP): Replace macro with...
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(tt_loader_set_pp): ... this new function.
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Update all callers.
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2016-05-17 Nikolaus Waxweiler <madigens@gmail.com>
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[truetype] New implementation of v38 bytecode interpreter [2/3].
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@ -1335,50 +1335,48 @@
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* (3) for everything else.
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*
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*/
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/* XXX merge infinality + lean datafields? */
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static void
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tt_loader_set_pp( TT_Loader loader )
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{
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FT_Bool subpixel_hinting = 0;
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FT_Bool grayscale = 0;
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FT_Bool use_aw_2 = 0;
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#ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING
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TT_Driver driver = (TT_Driver)FT_FACE_DRIVER( loader->face );
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#endif
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#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY
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if ( driver->interpreter_version == TT_INTERPRETER_VERSION_38 )
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{
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subpixel_hinting = loader->exec ? loader->exec->subpixel_hinting
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: 0;
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grayscale = loader->exec ? loader->exec->grayscale
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: 0;
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}
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#endif
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#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL
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if ( driver->interpreter_version == TT_INTERPRETER_VERSION_40 )
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{
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subpixel_hinting = loader->exec ? loader->exec->subpixel_hinting_lean
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: 0;
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grayscale = loader->exec ? loader->exec->grayscale_cleartype
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: 0;
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}
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#endif
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#define TT_LOADER_SET_PP( loader ) \
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do \
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{ \
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FT_Bool subpixel_hinting_ = loader->exec \
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? loader->exec->subpixel_hinting \
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: 0; \
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FT_Bool grayscale_ = loader->exec \
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? loader->exec->grayscale \
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: 0; \
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FT_Bool use_aw_2_ = (FT_Bool)( subpixel_hinting_ && \
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grayscale_ ); \
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\
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\
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(loader)->pp1.x = (loader)->bbox.xMin - (loader)->left_bearing; \
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(loader)->pp1.y = 0; \
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(loader)->pp2.x = (loader)->pp1.x + (loader)->advance; \
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(loader)->pp2.y = 0; \
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\
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(loader)->pp3.x = use_aw_2_ ? (loader)->advance / 2 : 0; \
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(loader)->pp3.y = (loader)->bbox.yMax + (loader)->top_bearing; \
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(loader)->pp4.x = use_aw_2_ ? (loader)->advance / 2 : 0; \
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(loader)->pp4.y = (loader)->pp3.y - (loader)->vadvance; \
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} while ( 0 )
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use_aw_2 = (FT_Bool)( subpixel_hinting && grayscale );
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#else /* !TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */
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loader->pp1.x = loader->bbox.xMin - loader->left_bearing;
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loader->pp1.y = 0;
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loader->pp2.x = loader->pp1.x + loader->advance;
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loader->pp2.y = 0;
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#define TT_LOADER_SET_PP( loader ) \
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do \
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{ \
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(loader)->pp1.x = (loader)->bbox.xMin - (loader)->left_bearing; \
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(loader)->pp1.y = 0; \
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(loader)->pp2.x = (loader)->pp1.x + (loader)->advance; \
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(loader)->pp2.y = 0; \
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\
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(loader)->pp3.x = 0; \
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(loader)->pp3.y = (loader)->bbox.yMax + (loader)->top_bearing; \
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(loader)->pp4.x = 0; \
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(loader)->pp4.y = (loader)->pp3.y - (loader)->vadvance; \
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} while ( 0 )
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#endif /* !TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */
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loader->pp3.x = use_aw_2 ? loader->advance / 2 : 0;
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loader->pp3.y = loader->bbox.yMax + loader->top_bearing;
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loader->pp4.x = use_aw_2 ? loader->advance / 2 : 0;
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loader->pp4.y = loader->pp3.y - loader->vadvance;
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}
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/* a utility function to retrieve i-th node from given FT_List */
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@ -1559,7 +1557,7 @@
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/* must initialize points before (possibly) overriding */
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/* glyph metrics from the incremental interface */
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TT_LOADER_SET_PP( loader );
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tt_loader_set_pp( loader );
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#ifdef FT_CONFIG_OPTION_INCREMENTAL
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tt_get_metrics_incr_overrides( loader, glyph_index );
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/* must initialize phantom points before (possibly) overriding */
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/* glyph metrics from the incremental interface */
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TT_LOADER_SET_PP( loader );
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tt_loader_set_pp( loader );
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#ifdef FT_CONFIG_OPTION_INCREMENTAL
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tt_get_metrics_incr_overrides( loader, glyph_index );
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